I-75 NB over D&M RR


+44.99120, -84.68134
44°59'28" N, 84°40'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 NB over D&M RR
Structure number:000000000008670
Old structure number:69169013000R011 (from 1992 edition)
Location:2.7 MI S OF M-32
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:65.0 ft. [19.8 m]
Total length:193.9 ft. [59.1 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:43.6 ft. [13.3 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,791 [as of 2007]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:92.3
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryGoodGood679192.3
September 2014GoodGoodVery GoodGood679192.3
October 2012GoodGoodVery GoodGood679192.3
November 2010GoodGoodVery GoodGood679192.3
February 2010GoodGoodVery GoodGood679192.3
February 2008GoodGoodVery GoodGood764292.2
February 2006FairSatisfactoryVery GoodGood764292.2
September 2004FairSatisfactoryVery GoodGood425092.6
March 2004FairSatisfactoryFairFair425081.5
March 2002FairSatisfactoryFairFair425081.5
September 2000FairSatisfactoryFairFair425081.5
September 1998FairGoodFairFair425086.5
September 1996FairFairFairFair425080.5
July 1994FairSatisfactoryGoodSatisfactory510092.6
June 1992FairGoodGoodSatisfactory510092.6
May 1990FairGoodSatisfactorySatisfactory510092.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,7461,746000
Steel Protective Coatingsq. ft.16,49316,493000
Reinforced Concrete Decksq. ft.8,7308,500213170
Wearing Surfacessq. ft.7,5667,06605000
Reinforced Concrete Columneach105500
Reinforced Concrete Pier Walllinear ft.1241040200
Reinforced Concrete Abutmentlinear ft.236236000
Reinforced Concrete Pier Caplinear ft.1226730250
Strip Seal Jointlinear ft.112104080
Pourable Jointlinear ft.108001080
Movable Bearingeach2702700
Fixed Bearingeach2702700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3923835310